Questions tagged [ifconfig]

ifconfig is a system administration utility in Unix-like operating systems to configure, control, and query TCP/IP network interface parameters from a command line interface (CLI) or in system configuration scripts.

Host is Mac OS High Sierra
VBox version is 5.2.16
Guest is Oracle Linux 7
VM Network Adaper type is Bridged
I installed and set this VM on whilst on network 172.16.21.0, and it worked fine with the ...

I am connecting some number of embedded linux devices to a main LAN using a DHCP server and routing tables. On the main LAN (192.168.1.0/24) I have a PC connected and the first embedded linux device. ...

Having networking issues with a Ubuntu 16.04 VPS, causing extremely slow speeds (we're talking about 100kbps). Running ifconfig is showing over a million dropped RX packets from eth0 (no errors) and I ...

I use ip a to get the IP address of my machine.
Sometimes, it is getting difficult to identify when I have 20+ network interfaces.
Is there a way to display only network interfaces which has IP?
The ...

At a remote location, there is a chinese ethernet enabled POS printer.
It somehow garbled it's configuration, and its self-test now says that its IP address is 253.100.156.93, (which is inside a IANA ...

I'm attempting to combine Scott Lowe's guide to creating a namespace with this answer on forwarding traffic between two interfaces.
I have this script that runs on each reboot using the cron @reboot ...

I have two ubuntu 16.04 servers here that were upgraded from 10.04 and are now virtual machines but used to be running on physical hardware using two bonded ethernet ports. The bonding configuration ...

I have a dedicated server in Hetzner.
In which I have installed CentOS 7.4, inside it I have KVM with another CentOS 7.4.
I have requested an additional ip from Hetzner that has a Mac separated for ...

I own one of OVH's VPS instances. It's located in France. I've deployed an application which connects to a service located in Poland. The problem is the service rejects any connections from foreign ...

I am trying to set up my RP3 in such a way that WiFi connections are routed over an L2TP VPN. I've got the VPN working and with the following settings all traffic is routed over the VPN connection (...

I took a look at the most relevant question, and am a step further but am not sure where to go from here.
I am currently trying to connect two ethernet interfaces but am having trouble establishing a ...

I have a rather out-of-date debian server, which has only one assigned IP address - 10.1.1.2 - this address is assigned manually in /etc/network/interfaces
However, I just discovered that the server ...

Due to a licence server requirement I need to have an eth0 or eth1 named network device. However, my current configuration only has a network device named enp8s0. I am using a CentOS 7 linux system.
...

I am not sure why the command "ifconfig" did not show my IP address, but I was still able to reach other hosts in the same network. It happens too many times to me and I did try to search but no luck ...

I have been searching for a while and looking at source code and various scripts on the Linux filesystem and still have been unable to figure out what ultimately initiates the reading of the scripts ...

One of our severs is behaving strangely with networking on startup. We've been using configuration changes and ifup/ifdown to try to isolate the issue, with frustratingly inconsistent results. We have ...

Does the dropped packets output of ifconfig refer to the number of frames lost on the local subnet (i.e. datalink layer) or the number of lost IP datagrams at the IP layer or is it TCP retransmission ...

I have a set of PPP interfaces on my Linux server. But on bouncing(ifdown; ifup) the interfaces which are not working, the PPP interfaces takes the lowest possible interface number.
If I have a PPP ...